CN110789304A - Automobile air conditioner with variable transmission ratio air door actuating mechanism - Google Patents
Automobile air conditioner with variable transmission ratio air door actuating mechanism Download PDFInfo
- Publication number
- CN110789304A CN110789304A CN201911126362.4A CN201911126362A CN110789304A CN 110789304 A CN110789304 A CN 110789304A CN 201911126362 A CN201911126362 A CN 201911126362A CN 110789304 A CN110789304 A CN 110789304A
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- Prior art keywords
- air conditioner
- gear
- air door
- driven gear
- driving gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H1/3414—Nozzles; Air-diffusers with means for adjusting the air stream direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H2001/3471—Details of actuators
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an automobile air conditioner with a variable transmission ratio air door actuating mechanism, which comprises an air conditioner shell, a motor, a driving gear, a driven gear and a temperature air door, and is characterized in that: the air conditioner air door opening and closing speed control device is reasonable in structure and convenient to use, the driving gear and the driven gear are non-circular gears, the opening and closing speed of the temperature air door can be controlled in a variable speed mode, the air door can be controlled to be opened and closed more accurately and efficiently, and the temperature uniformity and the comfort in a carriage are improved.
Description
Technical Field
The invention relates to the technical field of automobile air conditioners, in particular to an automobile air conditioner with a variable transmission ratio air door actuating mechanism.
Background
The automobile air conditioning system can realize the functions of heating, refrigerating, ventilating and air purifying in the carriage, provide comfortable riding environment for passengers, relieve the driving fatigue of drivers and contribute to improving the driving safety; the temperature mixing air door is an important part for temperature regulation in an automobile air conditioner control system: after the air flows through the evaporator and is cooled, a part or all of the air can be heated by the heater by controlling the opening and closing angle of the temperature mixing air door, unheated air and heated air are mixed in the air conditioning box, and then air with required temperature and relative humidity is obtained.
The existing common air door control mechanism is a combination form of a cam sliding disc, a rocker arm and a connecting rod, although the air door control mechanism has the advantages of compact structure, short design period, low cost and the like, the intermediate process is difficult to control, the sliding disc track groove is easy to abrade, the accurate control of the air door is difficult to realize, the phenomena of insufficient opening and closing angle of the air door, overvoltage and undervoltage are easy to occur, and the temperature uniformity and comfort in a carriage are influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the automobile air conditioner with the variable transmission ratio air door actuating mechanism, which has the advantages of simple structure, high efficiency, convenience, accurate control and contribution to improving the temperature uniformity in a carriage.
In order to achieve the above object, the technical scheme of the invention is as follows: the utility model provides an automotive air conditioning with variable transmission ratio air door actuating mechanism, includes air conditioner casing, motor, driving gear, driven gear and temperature air door, its characterized in that: the motor sets up on air conditioner casing, and the output shaft and the driving gear cooperation of motor are connected, and driving gear and driven gear mediate the transmission through the gear, and driven gear is connected with the air door axle cooperation of temperature air door, and the air door axle is inserted in a pair of shaft hole of air conditioner casing.
Furthermore, the driving gear and the driven gear are both non-circular gears.
Further, tooth profiles of the driving gear and the driven gear are involute, the pressure angle is 20 degrees, the crest height coefficient ha =1, and the crest clearance coefficient =0.25
Furthermore, the edge of the driving gear is provided with a notch mark, and the gear teeth of the driven gear are provided with an indication mark corresponding to the notch.
Further, a compensation groove is arranged on the side surface of the edge of the driven gear.
Furthermore, the motor is a servo motor, and the servo motor is fastened on the air conditioner shell through screws.
Furthermore, a key groove on an output shaft of the motor is matched with a spline shaft of the driving gear.
Furthermore, the shaft hole of the rotating shaft of the driven gear is buckled at the D-shaped shaft end of the temperature air door.
Compared with the prior art, the invention has the following advantages:
1. rational in infrastructure, convenient to use, driving gear and driven gear are non-circular gear, can realize the variable speed control to the temperature air door speed of opening and shutting, and better accurate efficient control air door opens and shuts, promotes temperature homogeneity and travelling comfort in the carriage.
2. The driving gear and the driven gear are non-circular gears, the meshing of the gear teeth needs to be in one-to-one correspondence, the edge of the driving gear is provided with an opening mark, the gear teeth of the driven gear are provided with indicating marks corresponding to the opening, the indicating marks and the opening mark are matched to play a role in assembly mistake proofing, the normal transmission of the gears is guaranteed, and the assembly process is simpler, more convenient, more efficient and more accurate.
3. The compensation groove is arranged on the side surface of the edge of the driven gear, and the compensation groove can generate small elastic deformation under stress, so that the phenomena of gear tooth extrusion and operating force increase caused by processing and assembling errors are relieved, the buffering and damping effects are achieved, and the transmission is more stable.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the driving gear and the driven gear;
FIG. 4 is a partial enlarged view A of FIG. 3;
fig. 5 is a graph showing a linear comparison of the temperature generated by the prior art and the present invention.
Description of the drawings: 1. the air conditioner comprises an air conditioner shell, 2, a motor, 3, a driving gear, 4, a driven gear, 5, a temperature air door, 6, an indication mark, 7, a compensation groove, 8, a spline shaft, 9, a D-shaped shaft end, 10 and a notch mark.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The technical scheme of the invention is described in detail by combining the attached drawings, the automobile air conditioner with the variable transmission ratio air door actuating mechanism comprises an air conditioner shell 1, a motor 2, a driving gear 3, a driven gear 4 and a temperature air door 5, wherein the motor is arranged on the air conditioner shell and can be a servo motor, the servo motor is fastened on the air conditioner shell through screws, an output shaft of the motor is matched and connected with the driving gear, a key groove on the output shaft of the motor is matched and connected with a spline shaft 8 of the driving gear, a power source is transmitted to the driving gear through the output shaft to drive the driving gear to rotate around an axis, the driving gear and the driven gear are in kneading transmission through gears, the driven gear is matched and connected with an air door shaft of the temperature air door, the driven gear can drive the temperature air door to rotate around the axis, a shaft hole of a rotating shaft, the air door axle is inserted in a pair of shaft hole of air conditioner casing, and the air door axle can be around shaft hole free rotation, and when needs adjustment air door, the motor passes through the output shaft with power transmission to driving gear, driving gear drive driven gear rotates, and driven gear drives the temperature air door and rotates around the hole synchronization, realizes the accurate regulation to the air door.
The driving gear and the driven gear are both non-circular gears, the tooth profiles of the gear teeth of the driving gear and the driven gear are involute, the pressure angle is 20 degrees, the tooth crest coefficient ha =1, and the top clearance coefficient =0.25, so that the variable speed control of the opening and closing speed of the temperature air door can be realized, the opening and closing of the air door can be controlled more accurately and efficiently, and the temperature uniformity and the comfort in a carriage can be effectively improved through a temperature linear comparison diagram of the effect generated by the prior art and the invention in the attached figure 5.
The driving gear and the driven gear are of variable transmission ratio gear structures, the center distance of the driving wheel and the driven wheel is constant, the meshed teeth of the driving gear and the driven gear correspond to one another one to ensure the center distance to be constant, notch marks 10 are arranged on the edge of the driving gear, indicating marks 6 corresponding to the notches are arranged on the gear teeth of the driven gear, the indicating marks can be marks used for indicating, such as arrows, the indicating marks and the notch marks are matched to play a role in assembly mistake proofing, correct assembly and transmission of the gear teeth of the driving gear and the driven gear are ensured, and meanwhile, the assembly process is simpler, more convenient, more efficient and more accurate.
Can have the error in the initiative teeth of a cogwheel and driven gear course of working, the interference phenomenon appears between the teeth of a cogwheel assembly, compensation groove 7 has been arranged at driven gear edge side surface, at driving gear and driven gear meshing's in-process, can make driven gear produce miniature extrusion elastic deformation because of the existence in compensation groove, can effectively play buffering cushioning effect, alleviate because processing, the teeth of a cogwheel extrusion that assembly error arouses, control power increase phenomenon, play buffering cushioning effect, make the transmission more tend to steadily.
While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, the invention further resides in various changes and modifications which fall within the scope of the invention as claimed.
Claims (8)
1. The utility model provides an automotive air conditioning with variable transmission ratio air door actuating mechanism, includes air conditioner casing, motor, driving gear, driven gear and temperature air door, its characterized in that: the motor sets up on air conditioner casing, and the output shaft and the driving gear cooperation of motor are connected, and driving gear and driven gear mediate the transmission through the gear, and driven gear is connected with the air door axle cooperation of temperature air door, and the air door axle is inserted in a pair of shaft hole of air conditioner casing.
2. An automotive air conditioner with a variable gear ratio damper actuator according to claim 1, characterized in that: the driving gear and the driven gear are both non-circular gears.
3. An automotive air conditioner with a variable transmission ratio damper actuator according to claim 2, characterized in that: the tooth profiles of the driving gear and the driven gear are involute, the pressure angle is 20 degrees, the crest height coefficient ha =1, and the crest clearance coefficient = 0.25.
4. An automotive air conditioner with a variable transmission ratio damper actuator according to claim 2, characterized in that: the edge of the driving gear is provided with a notch mark, and the gear teeth of the driven gear are provided with an indication mark corresponding to the notch.
5. An automotive air conditioner with a variable transmission ratio damper actuator according to claim 2, characterized in that: the edge side surface of the driven gear is provided with a compensation groove.
6. An automotive air conditioner with a variable gear ratio damper actuator according to claim 1, characterized in that: the motor is a servo motor, and the servo motor is fastened on the air conditioner shell through screws.
7. An automotive air conditioner with a variable gear ratio damper actuator according to claim 1, characterized in that: the key slot on the output shaft of the motor is matched with the spline shaft of the driving gear.
8. An automotive air conditioner with a variable gear ratio damper actuator according to claim 1, characterized in that: the driven gear rotating shaft hole is buckled at the D-shaped shaft end of the temperature air door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126362.4A CN110789304A (en) | 2019-11-18 | 2019-11-18 | Automobile air conditioner with variable transmission ratio air door actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126362.4A CN110789304A (en) | 2019-11-18 | 2019-11-18 | Automobile air conditioner with variable transmission ratio air door actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110789304A true CN110789304A (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911126362.4A Pending CN110789304A (en) | 2019-11-18 | 2019-11-18 | Automobile air conditioner with variable transmission ratio air door actuating mechanism |
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| CN (1) | CN110789304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240644A (en) * | 2020-11-20 | 2021-01-19 | 奥普家居股份有限公司 | Warmer with air door for switching air flow direction |
| WO2023153712A1 (en) * | 2022-02-09 | 2023-08-17 | 한온시스템 주식회사 | Vehicle air conditioner |
-
2019
- 2019-11-18 CN CN201911126362.4A patent/CN110789304A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240644A (en) * | 2020-11-20 | 2021-01-19 | 奥普家居股份有限公司 | Warmer with air door for switching air flow direction |
| WO2023153712A1 (en) * | 2022-02-09 | 2023-08-17 | 한온시스템 주식회사 | Vehicle air conditioner |
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